diff options
Diffstat (limited to 'xorg-server/os')
-rw-r--r-- | xorg-server/os/log.c | 21 | ||||
-rwxr-xr-x | xorg-server/os/utils.c | 32 |
2 files changed, 50 insertions, 3 deletions
diff --git a/xorg-server/os/log.c b/xorg-server/os/log.c index 23f181d8d..a65b03c66 100644 --- a/xorg-server/os/log.c +++ b/xorg-server/os/log.c @@ -304,7 +304,13 @@ pnprintf(char *string, size_t size, const char *f, va_list args) continue; } - switch (f[++f_idx]) { + f_idx++; + + /* silently swallow length modifiers */ + while (f_idx < f_len && ((f[f_idx] >= '0' && f[f_idx] <= '9') || f[f_idx] == '.')) + f_idx++; + + switch (f[f_idx]) { case 's': string_arg = va_arg(args, char*); p_len = strlen_sigsafe(string_arg); @@ -351,7 +357,16 @@ pnprintf(char *string, size_t size, const char *f, va_list args) for (i = 0; i < p_len && s_idx < size - 1; i++) string[s_idx++] = number[i]; break; - + case 'f': + { + double d = va_arg(args, double); + FormatDouble(d, number); + p_len = strlen_sigsafe(number); + + for (i = 0; i < p_len && s_idx < size - 1; i++) + string[s_idx++] = number[i]; + } + break; default: va_arg(args, char*); string[s_idx++] = '%'; @@ -654,7 +669,7 @@ AbortServer(void) #endif CloseWellKnownConnections(); OsCleanup(TRUE); - CloseDownDevices(); + AbortDevices(); AbortDDX(EXIT_ERR_ABORT); fflush(stderr); if (CoreDump) diff --git a/xorg-server/os/utils.c b/xorg-server/os/utils.c index 518400cfd..750bd8dfb 100755 --- a/xorg-server/os/utils.c +++ b/xorg-server/os/utils.c @@ -2048,6 +2048,38 @@ FormatUInt64(uint64_t num, char *string) string[len] = '\0'; } +/** + * Format a double number as %.2f. + */ +void +FormatDouble(double dbl, char *string) +{ + int slen = 0; + uint64_t frac; + + frac = (dbl > 0 ? dbl : -dbl) * 100.0 + 0.5; + frac %= 100; + + /* write decimal part to string */ + if (dbl < 0 && dbl > -1) + string[slen++] = '-'; + FormatInt64((int64_t)dbl, &string[slen]); + + while(string[slen] != '\0') + slen++; + + /* append fractional part, but only if we have enough characters. We + * expect string to be 21 chars (incl trailing \0) */ + if (slen <= 17) { + string[slen++] = '.'; + if (frac < 10) + string[slen++] = '0'; + + FormatUInt64(frac, &string[slen]); + } +} + + /* Format a number into a hexadecimal string in a signal safe manner. The string * should be at least 17 characters in order to handle all uint64_t values. */ void |