mirror of
https://github.com/libretro/RetroArch
synced 2025-03-03 04:14:00 +00:00
Get rid of retro_fmemcpy - and use retro_read_file
This commit is contained in:
twinaphex
parent
32ddeb3f96
commit
958dcc3c02
@ -90,17 +90,17 @@ static INLINE void cpu_x86_cpuid(int func, int values[4])
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*
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* Return NULL if not found
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*/
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static char *extract_cpuinfo_field(char* buffer, int buflen, const char* field)
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static char *extract_cpuinfo_field(char* buffer, ssize_t length, const char* field)
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{
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int len;
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const char *q;
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int fieldlen = strlen(field);
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char* bufend = buffer + buflen;
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char* bufend = buffer + length;
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char* result = NULL;
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/* Look for first field occurence, and ensures it starts the line. */
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const char *p = buffer;
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bufend = buffer + buflen;
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bufend = buffer + length;
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for (;;)
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{
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@ -224,10 +224,10 @@ typedef struct
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* 2,4-127,128-143
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* 0-1
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*/
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static void cpulist_parse(CpuList* list, const char* line, int line_len)
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static void cpulist_parse(CpuList* list, char **buf, ssize_t length)
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{
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const char* p = line;
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const char* end = p + line_len;
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const char* p = (const char*)buf;
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const char* end = p + length;
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/* NOTE: the input line coming from sysfs typically contains a
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* trailing newline, so take care of it in the code below
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@ -275,18 +275,21 @@ static void cpulist_parse(CpuList* list, const char* line, int line_len)
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/* Read a CPU list from one sysfs file */
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static void cpulist_read_from(CpuList* list, const char* filename)
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{
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char file[64];
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ssize_t filelen;
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ssize_t length;
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char *buf = NULL;
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list->mask = 0;
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if (!retro_fmemcpy(filename, file, sizeof(file), &filelen))
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if (retro_read_file(filename, (void**)&buf, &length) != 1)
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{
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RARCH_ERR("Could not read %s: %s\n", filename, strerror(errno));
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return;
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}
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cpulist_parse(list, file, filelen);
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cpulist_parse(list, &buf, length);
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if (buf)
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free(buf);
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buf = NULL;
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}
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/* Return the number of cpus present on a given device.
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@ -313,14 +316,14 @@ static int get_cpu_count(void)
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static void linux_cpu_init(void)
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{
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char cpuinfo[4096];
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ssize_t cpuinfo_len = 0;
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ssize_t length;
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void *buf = NULL;
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g_cpuFamily = DEFAULT_CPU_FAMILY;
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g_cpuFeatures = 0;
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g_cpuCount = 1;
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if (!retro_fmemcpy("/proc/cpuinfo", cpuinfo, sizeof(cpuinfo), &cpuinfo_len))
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if (retro_read_file("/proc/cpuinfo", &buf, &length) != 1)
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return;
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/* Count the CPU cores, the value may be 0 for single-core CPUs */
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@ -445,6 +448,10 @@ static void linux_cpu_init(void)
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#ifdef _MIPS_ARCH
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g_cpuFamily = CPU_FAMILY_MIPS;
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#endif
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if (buf)
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free(buf);
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buf = NULL;
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}
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cpu_family linux_get_cpu_platform(void)
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@ -969,10 +976,10 @@ static void check_proc_acpi_battery(const char * node, bool * have_battery,
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{
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const char *base = proc_acpi_battery_path;
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char path[1024];
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char info[1024];
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char state[1024];
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ssize_t buflen = 0;
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ssize_t length = 0;
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char *ptr = NULL;
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char *buf = NULL;
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char *buf_info = NULL;
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char *key = NULL;
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char *val = NULL;
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bool charge = false;
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@ -984,14 +991,14 @@ static void check_proc_acpi_battery(const char * node, bool * have_battery,
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snprintf(path, sizeof(path), "%s/%s/%s", base, node, "state");
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if (!retro_fmemcpy(path, state, sizeof(state), &buflen))
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return;
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if (!retro_read_file(path, (void**)&buf, &length))
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goto end;
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snprintf(path, sizeof(path), "%s/%s/%s", base, node, "info");
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if (!retro_fmemcpy(path, info, sizeof(info), &buflen))
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return;
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if (!retro_read_file(path, (void**)&buf_info, &length))
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goto end;
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ptr = &state[0];
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ptr = &buf[0];
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while (make_proc_acpi_key_val(&ptr, &key, &val))
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{
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@ -1025,7 +1032,7 @@ static void check_proc_acpi_battery(const char * node, bool * have_battery,
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}
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}
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ptr = &info[0];
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ptr = &buf_info[0];
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while (make_proc_acpi_key_val(&ptr, &key, &val))
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{
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@ -1076,20 +1083,29 @@ static void check_proc_acpi_battery(const char * node, bool * have_battery,
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*percent = pct;
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*charging = charge;
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}
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end:
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if (buf_info)
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free(buf_info);
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if (buf)
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free(buf);
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buf = NULL;
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buf_info = NULL;
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}
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static void check_proc_acpi_sysfs_battery(const char * node, bool * have_battery,
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bool * charging, int *seconds, int *percent)
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{
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unsigned capacity;
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char path[1024], info[1024], state[1024];
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char path[1024], info[1024];
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const char *base = proc_acpi_sysfs_battery_path;
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char *buf = NULL;
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char *ptr = NULL;
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char *key = NULL;
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char *val = NULL;
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bool charge = false;
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bool choose = false;
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ssize_t buflen = 0;
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ssize_t length = 0;
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int maximum = -1;
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int remaining = -1;
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int secs = -1;
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@ -1099,38 +1115,43 @@ static void check_proc_acpi_sysfs_battery(const char * node, bool * have_battery
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return;
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snprintf(path, sizeof(path), "%s/%s/%s", base, node, "status");
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if (!retro_fmemcpy(path, state, sizeof (state), &buflen))
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if (retro_read_file(path, (void**)&buf, &length) != 1)
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return;
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if (strstr(state, "Discharging"))
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if (strstr((char*)buf, "Discharging"))
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*have_battery = true;
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else if (strstr(state, "Full"))
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else if (strstr((char*)buf, "Full"))
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*have_battery = true;
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snprintf(path, sizeof(path), "%s/%s/%s", base, node, "capacity");
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if (!retro_fmemcpy(path, state, sizeof (state), &buflen))
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return;
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if (retro_read_file(path, (void**)&buf, &length) != 1)
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goto end;
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capacity = atoi(state);
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capacity = atoi(buf);
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*percent = capacity;
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end:
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if (buf)
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free(buf);
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buf = NULL;
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}
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static void check_proc_acpi_ac_adapter(const char * node, bool *have_ac)
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{
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char path[1024];
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const char *base = proc_acpi_ac_adapter_path;
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char state[256] = {0};
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char *buf = NULL;
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char *ptr = NULL;
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char *key = NULL;
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char *val = NULL;
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ssize_t buflen = 0;
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ssize_t length = 0;
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snprintf(path, sizeof(path), "%s/%s/%s", base, node, "state");
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if (!retro_fmemcpy(path, state, sizeof(state), &buflen))
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if (retro_read_file(path, (void**)&buf, &length) != 1)
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return;
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ptr = &state[0];
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ptr = &buf[0];
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while (make_proc_acpi_key_val(&ptr, &key, &val))
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{
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uint32_t key_hash = djb2_calculate(key);
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@ -1140,20 +1161,29 @@ static void check_proc_acpi_ac_adapter(const char * node, bool *have_ac)
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val_hash == ACPI_VAL_ONLINE)
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*have_ac = true;
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}
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if (buf)
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free(buf);
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buf = NULL;
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}
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static void check_proc_acpi_sysfs_ac_adapter(const char * node, bool *have_ac)
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{
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char state[256], path[1024];
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ssize_t buflen = 0;
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char path[1024];
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ssize_t length = 0;
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char *buf = NULL;
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const char *base = proc_acpi_sysfs_ac_adapter_path;
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snprintf(path, sizeof(path), "%s/%s", base, "online");
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if (!retro_fmemcpy(path, state, sizeof(state), &buflen))
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if (retro_read_file(path, (void**)&buf, &length) != 1)
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return;
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if (strstr(state, "1"))
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if (strstr((char*)buf, "1"))
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*have_ac = true;
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if (buf)
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free(buf);
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buf = NULL;
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}
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static bool next_string(char **_ptr, char **_str)
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@ -1190,55 +1220,56 @@ static bool frontend_linux_powerstate_check_apm(
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enum frontend_powerstate *state,
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int *seconds, int *percent)
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{
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char buf[128], *ptr;
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char *ptr;
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int ac_status = 0;
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int battery_status = 0;
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int battery_flag = 0;
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int battery_percent = 0;
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int battery_time = 0;
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ssize_t buflen = 0;
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ssize_t length = 0;
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char *buf = NULL;
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char *str = NULL;
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if (!retro_fmemcpy(proc_apm_path, buf, sizeof(buf), &buflen))
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return false;
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if (retro_read_file(proc_apm_path, (void**)&buf, &length) != 1)
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goto error;
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ptr = &buf[0];
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if (!next_string(&ptr, &str)) /* driver version */
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* BIOS version */
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* APM flags */
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* AC line status */
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return false;
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goto error;
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else if (!int_string(str, &ac_status))
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* battery status */
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return false;
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goto error;
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else if (!int_string(str, &battery_status))
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* battery flag */
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return false;
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goto error;
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else if (!int_string(str, &battery_flag))
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* remaining battery life percent */
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return false;
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goto error;
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if (str[strlen(str) - 1] == '%')
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str[strlen(str) - 1] = '\0';
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if (!int_string(str, &battery_percent))
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* remaining battery life time */
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return false;
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goto error;
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else if (!int_string(str, &battery_time))
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return false;
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goto error;
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if (!next_string(&ptr, &str)) /* remaining battery life time units */
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return false;
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goto error;
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else if (!strcmp(str, "min"))
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battery_time *= 60;
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@ -1258,7 +1289,18 @@ static bool frontend_linux_powerstate_check_apm(
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if (battery_time >= 0) /* -1 == unknown */
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*seconds = battery_time;
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if (buf)
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free(buf);
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buf = NULL;
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return true;
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error:
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if (buf)
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free(buf);
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buf = NULL;
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return false;
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}
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static bool frontend_linux_powerstate_check_acpi(
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@ -38,6 +38,10 @@
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#include <fcntl.h>
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#endif
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#ifdef RARCH_INTERNAL
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#include <retro_log.h>
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#endif
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#if 1
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#define HAVE_BUFFERED_IO 1
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#endif
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@ -227,34 +231,6 @@ int retro_fclose(RFILE *stream)
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return 0;
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}
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static bool retro_fread_iterate(RFILE *stream, char *s, size_t len, ssize_t *bytes_written)
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{
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*bytes_written = retro_fread(stream, s, len);
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#if defined(HAVE_BUFFERED_IO)
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return (*bytes_written < 0);
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#else
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return (*bytes_written < 0 && errno == EINTR);
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#endif
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}
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bool retro_fmemcpy(const char *path, char *s, size_t len, ssize_t *bytes_written)
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{
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RFILE *stream = retro_fopen(path, RFILE_MODE_READ, -1);
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if (!stream)
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return false;
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while(retro_fread_iterate(stream, s, len, bytes_written));
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retro_fclose(stream);
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if (*bytes_written < 0)
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return false;
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/* NULL-terminate the string. */
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s[*bytes_written] = '\0';
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return true;
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}
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/**
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* retro_read_file:
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* @path : path to file.
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@ -290,7 +266,13 @@ int retro_read_file(const char *path, void **buf, ssize_t *len)
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goto error;
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if ((ret = retro_fread(file, content_buf, content_buf_size)) < content_buf_size)
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printf("Didn't read whole file.\n");
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{
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#ifdef RARCH_INTERNAL
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RARCH_WARN("Didn't read whole file: %s.\n", path);
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#else
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printf("Didn't read whole file: %s.\n", path);
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#endif
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}
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if (!content_buf)
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goto error;
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@ -57,8 +57,6 @@ void retro_frewind(RFILE *stream);
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int retro_fclose(RFILE *stream);
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bool retro_fmemcpy(const char *path, char *s, size_t len, ssize_t *bytes_written);
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int retro_read_file(const char *path, void **buf, ssize_t *len);
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bool retro_write_file(const char *path, const void *data, ssize_t size);
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