Mercurial > dovecot > original-hg > dovecot-1.2
annotate src/lib/temp-string.c @ 183:4a7ab9e94f25 HEAD
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
C99-like.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Sun, 08 Sep 2002 16:20:28 +0300 |
| parents | d493b9cc265e |
| children | e90b95f6d962 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 temp-string.c : Temporary string | |
| 3 | |
| 4 Copyright (c) 2002 Timo Sirainen | |
| 5 | |
| 6 Permission is hereby granted, free of charge, to any person obtaining | |
| 7 a copy of this software and associated documentation files (the | |
| 8 "Software"), to deal in the Software without restriction, including | |
| 9 without limitation the rights to use, copy, modify, merge, publish, | |
| 10 distribute, sublicense, and/or sell copies of the Software, and to | |
| 11 permit persons to whom the Software is furnished to do so, subject to | |
| 12 the following conditions: | |
| 13 | |
| 14 The above copyright notice and this permission notice shall be | |
| 15 included in all copies or substantial portions of the Software. | |
| 16 | |
| 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
| 18 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
| 20 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
| 21 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
| 22 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
| 23 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| 24 */ | |
| 25 | |
| 26 #include "lib.h" | |
| 27 #include "temp-string.h" | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 | |
| 31 typedef struct { | |
| 32 char *str; | |
|
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4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
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33 size_t len; |
| 0 | 34 |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
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parents:
50
diff
changeset
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35 size_t alloc_size; |
| 0 | 36 } RealTempString; |
| 37 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
38 TempString *t_string_new(size_t initial_size) |
| 0 | 39 { |
| 40 RealTempString *rstr; | |
| 41 | |
| 42 if (initial_size <= 0) | |
| 43 initial_size = 64; | |
| 44 | |
| 45 rstr = t_new(RealTempString, 1); | |
| 46 rstr->alloc_size = initial_size; | |
| 47 rstr->str = t_malloc(rstr->alloc_size); | |
| 48 rstr->str[0] = '\0'; | |
| 49 return (TempString *) rstr; | |
| 50 } | |
| 51 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
52 static void t_string_inc(TempString *tstr, size_t size) |
| 0 | 53 { |
| 54 RealTempString *rstr = (RealTempString *) tstr; | |
| 55 char *str; | |
| 56 | |
|
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Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
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parents:
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diff
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57 size += rstr->len + 1; |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
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parents:
50
diff
changeset
|
58 if (size <= rstr->len || size > SSIZE_T_MAX) { |
|
50
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
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59 /* overflow */ |
|
183
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size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
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parents:
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diff
changeset
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60 i_panic("t_string_inc(): Out of memory %"PRIuSIZE_T" bytes", |
|
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
61 size); |
|
50
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
62 } |
|
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
63 |
|
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
64 if (size > rstr->alloc_size) { |
|
d493b9cc265e
Introduced uoff_t which is the unsigned-equilevant of off_t. This was needed
Timo Sirainen <tss@iki.fi>
parents:
0
diff
changeset
|
65 rstr->alloc_size = nearest_power(size); |
| 0 | 66 |
| 67 if (!t_try_grow(rstr->str, rstr->alloc_size)) { | |
| 68 str = t_malloc(rstr->alloc_size); | |
| 69 memcpy(str, rstr->str, rstr->len+1); | |
| 70 rstr->str = str; | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 /* Append string/character */ | |
| 76 void t_string_append(TempString *tstr, const char *str) | |
| 77 { | |
| 78 t_string_append_n(tstr, str, strlen(str)); | |
| 79 } | |
| 80 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
81 void t_string_append_n(TempString *tstr, const char *str, size_t size) |
| 0 | 82 { |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
83 i_assert(size < SSIZE_T_MAX); |
| 0 | 84 |
| 85 t_string_inc(tstr, size); | |
| 86 memcpy(tstr->str + tstr->len, str, size); | |
| 87 | |
| 88 tstr->len += size; | |
| 89 tstr->str[tstr->len] = '\0'; | |
| 90 } | |
| 91 | |
| 92 void t_string_append_c(TempString *tstr, char chr) | |
| 93 { | |
| 94 t_string_inc(tstr, 1); | |
| 95 tstr->str[tstr->len++] = chr; | |
| 96 tstr->str[tstr->len] = '\0'; | |
| 97 } | |
| 98 | |
| 99 void t_string_printfa(TempString *tstr, const char *fmt, ...) | |
| 100 { | |
| 101 va_list args, args2; | |
| 102 | |
| 103 va_start(args, fmt); | |
| 104 VA_COPY(args2, args); | |
| 105 | |
| 106 t_string_inc(tstr, printf_string_upper_bound(fmt, args)); | |
| 107 tstr->len += vsprintf(tstr->str + tstr->len, fmt, args2); | |
| 108 | |
| 109 va_end(args); | |
| 110 } | |
| 111 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
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112 void t_string_erase(TempString *tstr, size_t pos, size_t len) |
| 0 | 113 { |
| 114 i_assert(pos < tstr->len && tstr->len - pos >= len); | |
| 115 | |
| 116 memmove(tstr->str + pos + len, tstr->str + pos, | |
| 117 tstr->len - pos - len + 1); | |
| 118 } | |
| 119 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
50
diff
changeset
|
120 void t_string_truncate(TempString *tstr, size_t len) |
| 0 | 121 { |
| 122 i_assert(len <= tstr->len); | |
| 123 | |
| 124 tstr->len = len; | |
| 125 tstr->str[tstr->len] = '\0'; | |
| 126 } |