diff options
Diffstat (limited to 'source/fitz/printf.c')
| -rw-r--r-- | source/fitz/printf.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/source/fitz/printf.c b/source/fitz/printf.c index ef70aca1..c6cb90a9 100644 --- a/source/fitz/printf.c +++ b/source/fitz/printf.c @@ -123,6 +123,35 @@ static void fmtint(struct fmtbuf *out, int value, int z, int base) fmtputc(out, buf[--i]); } +static void fmtquote(struct fmtbuf *out, const char *s, int sq, int eq) +{ + int c; + fmtputc(out, sq); + while ((c = *s++)) { + switch (c) { + default: + if (c < 32 || c > 127) { + fmtputc(out, '\\'); + fmtputc(out, '0' + ((c >> 6) & 7)); + fmtputc(out, '0' + ((c >> 3) & 7)); + fmtputc(out, '0' + ((c) & 7)); + } else { + if (c == sq || c == eq) + fmtputc(out, '\\'); + fmtputc(out, c); + } + break; + case '\\': fmtputc(out, '\\'); fmtputc(out, '\\'); break; + case '\b': fmtputc(out, '\\'); fmtputc(out, 'b'); break; + case '\f': fmtputc(out, '\\'); fmtputc(out, 'f'); break; + case '\n': fmtputc(out, '\\'); fmtputc(out, 'n'); break; + case '\r': fmtputc(out, '\\'); fmtputc(out, 'r'); break; + case '\t': fmtputc(out, '\\'); fmtputc(out, 't'); break; + } + } + fmtputc(out, eq); +} + int fz_vsnprintf(char *buffer, int space, const char *fmt, va_list args) { @@ -217,6 +246,16 @@ fz_vsnprintf(char *buffer, int space, const char *fmt, va_list args) while ((c = *s++)) fmtputc(&out, c); break; + case 'q': + s = va_arg(args, char*); + if (!s) s = ""; + fmtquote(&out, s, '"', '"'); + break; + case '(': + s = va_arg(args, char*); + if (!s) s = ""; + fmtquote(&out, s, '(', ')'); + break; } } else { fmtputc(&out, c); |