diff options
Diffstat (limited to 'rcfile_l.l')
| -rw-r--r-- | rcfile_l.l | 47 |
1 files changed, 46 insertions, 1 deletions
@@ -115,5 +115,50 @@ remote(folder)? { [ \t\r]+ ; /* whitespace */ - +%% +#include <string.h> + +void escapes(cp, tp) +/* process standard C-style escape sequences in a string */ +const char *cp; /* source string with escapes */ +char *tp; /* target buffer for digested string */ +{ + while (*cp) + { + int cval = 0; + + if (*cp == '\\' && strchr("0123456789xX", cp[1])) + { + char *dp, *hex = "00112233445566778899aAbBcCdDeEfF"; + int dcount = 0; + + if (*++cp == 'x' || *cp == 'X') + for (++cp; (dp = strchr(hex, *cp)) && (dcount++ < 2); cp++) + cval = (cval * 16) + (dp - hex) / 2; + else if (*cp == '0') + while (strchr("01234567",*cp) != (char*)NULL && (dcount++ < 3)) + cval = (cval * 8) + (*cp++ - '0'); + else + while ((strchr("0123456789",*cp)!=(char*)NULL)&&(dcount++ < 3)) + cval = (cval * 10) + (*cp++ - '0'); + } + else if (*cp == '\\') /* C-style character escapes */ + { + switch (*++cp) + { + case '\\': cval = '\\'; break; + case 'n': cval = '\n'; break; + case 't': cval = '\t'; break; + case 'b': cval = '\b'; break; + case 'r': cval = '\r'; break; + default: cval = *cp; + } + cp++; + } + else + cval = *cp++; + *tp++ = cval; + } + *tp = '\0'; +} |