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battery: Do not redefine strncat with different semantics

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This commit is contained in:
o9000
2017-06-20 16:18:28 +02:00
parent f9ad3cb029
commit b5578ff5bc
1 changed files with 11 additions and 10 deletions
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21
src/battery/battery.c
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@@ -128,7 +128,8 @@ void cleanup_battery()
battery_os_free();
}
char *strncat(char *dest, const char *addendum, size_t limit)
// Appends addendum to dest, and does not allow dest to grow over limit (including NULL terminator).
char *strnappend(char *dest, const char *addendum, size_t limit)
{
char *tmp = strdup(dest);
@@ -164,7 +165,7 @@ void battery_update_text(char *dest, char *format)
switch (*c) {
case 's':
// Append the appropriate status message to the string.
strncat(dest,
strnappend(dest,
(battery_state.state == BATTERY_CHARGING)
? "Charging"
: (battery_state.state == BATTERY_DISCHARGING)
@@ -174,38 +175,38 @@ void battery_update_text(char *dest, char *format)
break;
case 'm':
snprintf(buf, sizeof(buf), "%02d", battery_state.time.minutes);
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
break;
case 'h':
snprintf(buf, sizeof(buf), "%02d", battery_state.time.hours);
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
break;
case 'p':
snprintf(buf, sizeof(buf), "%d%%", battery_state.percentage);
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
break;
case 't':
if (battery_state.state == BATTERY_FULL) {
snprintf(buf, sizeof(buf), "Full");
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
} else {
snprintf(buf, sizeof(buf), "%02d:%02d", battery_state.time.hours, battery_state.time.minutes);
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
}
break;
case '%':
case '\0':
strncat(dest, "%", BATTERY_BUF_SIZE);
strnappend(dest, "%", BATTERY_BUF_SIZE);
break;
default:
fprintf(stderr, "Battery: unrecognised format specifier '%%%c'.\n", *c);
buf[0] = *c;
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
}
} else {
buf[0] = *c;
strncat(dest, buf, BATTERY_BUF_SIZE);
strnappend(dest, buf, BATTERY_BUF_SIZE);
}
}
}