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author | Steven G. Johnson <stevenj@mit.edu> | 2015-10-31 18:13:25 -0400 |
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committer | Steven G. Johnson <stevenj@mit.edu> | 2015-10-31 18:13:25 -0400 |
commit | a5c9de204717d619ddb2fa4eb994542bb3cfc157 (patch) | |
tree | dcb694a5b28a802e119c46f7bf8c2a62b45a462d /test/tests.c | |
parent | f67f1a72f7bbaac8dbf08a183193ac82641cd34b (diff) | |
parent | b10b64dc10fc4c5ca236e85a620ee78e503e201c (diff) | |
download | libutf8proc-a5c9de204717d619ddb2fa4eb994542bb3cfc157.tar.gz libutf8proc-a5c9de204717d619ddb2fa4eb994542bb3cfc157.tar.bz2 |
Merge pull request #58 from petercolberg/master
Fix build warnings
Diffstat (limited to 'test/tests.c')
-rw-r--r-- | test/tests.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/tests.c b/test/tests.c new file mode 100644 index 0000000..0fb0da3 --- /dev/null +++ b/test/tests.c @@ -0,0 +1,46 @@ +/* Common functions for our test programs. */ + +#include "tests.h" + +size_t lineno = 0; + +void check(int cond, const char *format, ...) +{ + if (!cond) { + va_list args; + fprintf(stderr, "line %zd: ", lineno); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, "\n"); + exit(1); + } +} + +size_t skipspaces(const char *buf, size_t i) +{ + while (isspace(buf[i])) ++i; + return i; +} + +/* if buf points to a sequence of codepoints encoded as hexadecimal strings, + separated by whitespace, and terminated by any character not in + [0-9a-fA-F] or whitespace, then stores the corresponding utf8 string + in dest, returning the number of bytes read from buf */ +size_t encode(char *dest, const char *buf) +{ + size_t i = 0, j, d = 0; + for (;;) { + int c; + i = skipspaces(buf, i); + for (j=i; buf[j] && strchr("0123456789abcdef", tolower(buf[j])); ++j) + ; /* find end of hex input */ + if (j == i) { /* no codepoint found */ + dest[d] = 0; /* NUL-terminate destination string */ + return i + 1; + } + check(sscanf(buf + i, "%x", (unsigned int *)&c) == 1, "invalid hex input %s", buf+i); + i = j; /* skip to char after hex input */ + d += utf8proc_encode_char(c, (utf8proc_uint8_t *) (dest + d)); + } +} |